MathJax TC Minutes and Recording, December 2017

[Peter Krautzberger]

Hi mathjax-dev,

Below are the notes for the latest meeting of the MathJax Technical Committee.

If you have questions as to the notes, please FIRST check out the recording on youtube for details before posting here.

The next TC meeting is will be in January (but likely at a new day and time).

Thanks,

Peter.

# 2017-12-07 MathJax TC Minutes November 2017

The recording is available at https://youtu.be/1QhmmvxYe74

## Status update v3

* 3.0.0-alpha.2 is out!

  * stretchy character problems fixed in IE, Firefox

  * updated operator dictionary

* HTML-CSS: looking into alignment issues in stretchy pieces

  * turns out the glyphs are not really straight (due to tracing CM bitmaps) which is accumulating in large stretchy constructions

### Discussion

* TeX input: future of extensions

  * Volker: we are looking for volunteers who want to start implementing new extensions

    * this will help us develop a new extension mechanism thorouhgly

    * Peter: count me in for \img

    * Matias: is mhchem an option? I'd be interested.

      * Peter: Martin Hensel already checked in with us. ACTION I'll try to put you in touch.

      * Davide: mhchem one might actually be easier as it has its own parser and generates a TeX string.

* Jason: first steps of integrating v3 as a modern Jupyter plugin.

  * => filed issue on fonts not being picked up by webpack

  * would help to have the fontface declarations not dynamically injected

  * Davide: it's now possible to compile the fontface css out.

    * Jason: great, then our Jupyter extension could generate that in which should be enough

  * Jason: do the fonts change depending on the configuration?

    * Davide: not at the moment. It's set up dynaically because eventually you will again have choices for fonts

* Davide: cf. issue on CSS structure

  * right now we're not optimizing CSS much in terms of size (i.e. always dump the full file into the page)

  * some natural improvements will arrive as we fix some issues in the fonts

  * other improvements could come in the code if desireable (e.g., create critical css, split stylesheets)

* Jason: do we expect the fonts be selected by author or user?

  * => the author

  * Jason: good. then webpack-ing should always work out

* Davide: side note: one goal is to make it easier to modify fonts on character basis

  * e.g., replace 4 with an open one for primary ed (legal requirement in education)

* ACTION: Davide will build example that shows how to compile that out.

* [discussion around build problems, mj3demos]

### Next steps

* review open PRs to consolidate

* API documentation

* v3 issues labeled "discussion" => PLEASE COMMENT

## a11y extensions release

* Volker: incoming release for a11y extensions

  * new table walker with better semantics and navigation

* Volker: the first localization (Spanish) is also incoming thanks to Texthelp support

## Peter Krautzberger stepping down as MathJax manager

Peter will be leaving the team at the end of the year. He'll stay on the TC and remain a part of the MathJax community.